package cn.zld.sh.sh;

import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.annotation.TargetApi;
import android.app.LoaderManager.LoaderCallbacks;
import android.content.Context;
import android.content.CursorLoader;
import android.content.Intent;
import android.content.Loader;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.provider.ContactsContract;
import android.support.annotation.NonNull;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;

import com.squareup.okhttp.Response;

import org.json.JSONObject;

import java.util.ArrayList;
import java.util.List;

import cn.zld.sh.sh.base.BaseApplication;
import cn.zld.sh.sh.ui.userfragment.UserFragment;
import cn.zld.sh.sh.url.HttpUrls;
import cn.zld.sh.sh.util.OkHttpClientManager;
import cn.zld.sh.sh.util.SharedUtils;
import cn.zld.sh.sh.util.ToastUtils;

import static android.Manifest.permission.READ_CONTACTS;

/**
 * A login screen that offers login via email/password.
 */
public class RigisterActivity extends AppCompatActivity implements LoaderCallbacks<Cursor> {

    /**
     * Id to identity READ_CONTACTS permission request.
     */
    private static final int REQUEST_READ_CONTACTS = 0;
    private long exitTimeMillis = 0; //选择返回键的时长


    /**
     * A dummy authentication store containing known user names and passwords.
     * TODO: remove after connecting to a real authentication system.
     */
    private static final String[] DUMMY_CREDENTIALS = new String[]{
            "foo@example.com:hello", "bar@example.com:world"
    };
    /**
     * Keep track of the login task to ensure we can cancel it if requested.
     */
    private UserLoginTask mAuthTask = null;
    private GetCodeTask gCodeTask = null;

    // UI references.
    private AutoCompleteTextView mEmailView;
    private EditText mPasswordView;
    private EditText mPasswordView2;
    private EditText mYqm;
    private EditText mCodeView;
    private View mProgressView;
    private View mLoginFormView;
    private Button getCode;
    private Context myContext;
    private Boolean canSendCode = true;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_register);
        setTitle(R.string.btn_register);
        // Set up the login form.
        mEmailView = (AutoCompleteTextView) findViewById(R.id.mobile);
        populateAutoComplete();
        myContext= getApplicationContext();

        mPasswordView = (EditText) findViewById(R.id.password);
        mYqm = (EditText) findViewById(R.id.yqm);
        mCodeView = (EditText) findViewById(R.id.code);

        mPasswordView2 = (EditText) findViewById(R.id.password2);
        mPasswordView2.setOnEditorActionListener(new TextView.OnEditorActionListener() {
            @Override
            public boolean onEditorAction(TextView textView, int id, KeyEvent keyEvent) {
                if (id == EditorInfo.IME_ACTION_DONE || id == EditorInfo.IME_NULL) {
                    attemptRegister();
                    return true;
                }
                return false;
            }
        });

        getCode = (Button) findViewById(R.id.getCode);
        getCode.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                if(canSendCode){
                    sendCodeThread();
                    attemptGetcode();
                }
            }
        });


        Button go_register = (Button) findViewById(R.id.go_register);
        go_register.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                attemptRegister();
            }
        });

        Button go_sign_in = (Button) findViewById(R.id.go_sign_in);
        go_sign_in.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                Intent intent = new Intent();
                intent.setClass(myContext, LoginActivity.class);
                startActivity(intent);
                finish();
            }
        });

        mLoginFormView = findViewById(R.id.login_form);
        mProgressView = findViewById(R.id.login_progress);
    }

    private void sendCodeThread(){
        canSendCode = false;
        try {
            new Thread() {
                public void run() {
                    int tm = 60;
                    while (tm > 0) {
//                        getCode.setText(tm + "后重新获取");
                        btnText = tm + "后重新获取";
                        handler.post(setCodeBtnTextTask);
                        tm--;
                        try {
                            Thread.sleep(1000);
                        } catch (Exception e) {
                            return;
                        }
                    }
                    if (tm <= 0) {
                        canSendCode = true;
//                        getCode.setText("获取验证码");
                        btnText = "获取验证码";
                        handler.post(setCodeBtnTextTask);
                    }
                }
            }.start();
        }catch (Exception e){
            return;
        }
    }

    private String btnText;
    private Handler handler = new Handler();

    private Runnable setCodeBtnTextTask = new Runnable() {
        @Override
        public void run() {
            getCode.setText(btnText);
        }
    };

    private void populateAutoComplete() {
        if (!mayRequestContacts()) {
            return;
        }

        getLoaderManager().initLoader(0, null, this);
    }

    private boolean mayRequestContacts() {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
            return true;
        }
        if (checkSelfPermission(READ_CONTACTS) == PackageManager.PERMISSION_GRANTED) {
            return true;
        }
        if (shouldShowRequestPermissionRationale(READ_CONTACTS)) {
            Snackbar.make(mEmailView, R.string.permission_rationale, Snackbar.LENGTH_INDEFINITE)
                    .setAction(android.R.string.ok, new OnClickListener() {
                        @Override
                        @TargetApi(Build.VERSION_CODES.M)
                        public void onClick(View v) {
                            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
                        }
                    });
        } else {
            requestPermissions(new String[]{READ_CONTACTS}, REQUEST_READ_CONTACTS);
        }
        return false;
    }

    /**
     * Callback received when a permissions request has been completed.
     */
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions,
                                           @NonNull int[] grantResults) {
        if (requestCode == REQUEST_READ_CONTACTS) {
            if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
                populateAutoComplete();
            }
        }
    }


    /**
     * Attempts to sign in or register the account specified by the login form.
     * If there are form errors (invalid email, missing fields, etc.), the
     * errors are presented and no actual login attempt is made.
     */
    private void attemptRegister() {
        if (mAuthTask != null) {
            return;
        }

        // Reset errors.
        mEmailView.setError(null);
        mPasswordView.setError(null);

        // Store values at the time of the login attempt.
        String email = mEmailView.getText().toString();
        String password = mPasswordView.getText().toString();
        String password2 = mPasswordView2.getText().toString();
        String yqm = mYqm.getText().toString();
        String code = mCodeView.getText().toString();

        boolean cancel = false;
        View focusView = null;

        // Check for a valid password, if the user entered one.
        if (TextUtils.isEmpty(code) || !isCodeValid(code)) {
            mCodeView.setError(getString(R.string.error_invalid_code));
            focusView = mCodeView;
            cancel = true;
        }

        // Check for a valid password, if the user entered one.
        if (!TextUtils.isEmpty(password) && !isPasswordValid(password)) {
            mPasswordView.setError(getString(R.string.error_invalid_password));
            focusView = mPasswordView;
            cancel = true;
        }

        // Check for a valid password2, if the user entered one.
        if (!TextUtils.isEmpty(password2) && !isPasswordValid(password2)) {
            mPasswordView.setError(getString(R.string.error_invalid_password2));
            focusView = mPasswordView;
            cancel = true;
        }

        // 两次密码是否一致
        if (!password.equals(password2)) {
            mPasswordView.setError(getString(R.string.error_invalid_password_bt));
            focusView = mPasswordView;
            cancel = true;
        }

        // Check for a valid email address.
        if (TextUtils.isEmpty(email)) {
            mEmailView.setError(getString(R.string.error_field_required));
            focusView = mEmailView;
            cancel = true;
        } else if (!LoginActivity.isMobileNO(email)) {
            mEmailView.setError(getString(R.string.error_invalid_email));
            focusView = mEmailView;
            cancel = true;
        }

        if (cancel) {
            // There was an error; don't attempt login and focus the first
            // form field with an error.
            focusView.requestFocus();
        } else {
            // Show a progress spinner, and kick off a background task to
            // perform the user login attempt.
            showProgress(true);
            mAuthTask = new UserLoginTask(email, password, password2, yqm);
            mAuthTask.execute((Void) null);
        }
    }

    private void attemptGetcode() {
        if (mAuthTask != null) {
            return;
        }

        // Reset errors.
        mEmailView.setError(null);
        mPasswordView.setError(null);

        // Store values at the time of the login attempt.
        String email = mEmailView.getText().toString();

        boolean cancel = false;
        View focusView = null;




        // Check for a valid email address.
        if (TextUtils.isEmpty(email)) {
            mEmailView.setError(getString(R.string.error_field_required));
            focusView = mEmailView;
            cancel = true;
        } else if (!LoginActivity.isMobileNO(email)) {
            mEmailView.setError(getString(R.string.error_invalid_email));
            focusView = mEmailView;
            cancel = true;
        }

        if (cancel) {
            // There was an error; don't attempt login and focus the first
            // form field with an error.
            focusView.requestFocus();
        } else {
            // Show a progress spinner, and kick off a background task to
            // perform the user login attempt.
            showProgress(true);
            gCodeTask = new GetCodeTask(email);
            gCodeTask.execute((Void) null);
        }
    }

    private boolean isEmailValid(String email) {
        //TODO: Replace this with your own logic
        return email.contains("@");
    }

    private boolean isPasswordValid(String password) {
        //TODO: Replace this with your own logic
        return password.length() > 5;
    }

    private boolean isCodeValid(String code) {
        //TODO: Replace this with your own logic
        return code.length() == 4;
    }

    /**
     * Shows the progress UI and hides the login form.
     */
    @TargetApi(Build.VERSION_CODES.HONEYCOMB_MR2)
    private void showProgress(final boolean show) {
        // On Honeycomb MR2 we have the ViewPropertyAnimator APIs, which allow
        // for very easy animations. If available, use these APIs to fade-in
        // the progress spinner.
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB_MR2) {
            int shortAnimTime = getResources().getInteger(android.R.integer.config_shortAnimTime);

            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
            mLoginFormView.animate().setDuration(shortAnimTime).alpha(
                    show ? 0 : 1).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
                }
            });

            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            mProgressView.animate().setDuration(shortAnimTime).alpha(
                    show ? 1 : 0).setListener(new AnimatorListenerAdapter() {
                @Override
                public void onAnimationEnd(Animator animation) {
                    mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
                }
            });
        } else {
            // The ViewPropertyAnimator APIs are not available, so simply show
            // and hide the relevant UI components.
            mProgressView.setVisibility(show ? View.VISIBLE : View.GONE);
            mLoginFormView.setVisibility(show ? View.GONE : View.VISIBLE);
        }
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        //返回提示：
        if(keyCode==KeyEvent.KEYCODE_BACK){
            long  currentTime=System.currentTimeMillis();
            if(currentTime-exitTimeMillis==0||currentTime-exitTimeMillis>2000){
                exitTimeMillis=System.currentTimeMillis();
                ToastUtils.showMessage("再按一次退出程序");
                return false;
            }
            else{
                BaseApplication.getApplication().exit();
            }
        }
        return super.onKeyDown(keyCode, event);
    }//Keydown

    @Override
    public Loader<Cursor> onCreateLoader(int i, Bundle bundle) {
        return new CursorLoader(this,
                // Retrieve data rows for the device user's 'profile' contact.
                Uri.withAppendedPath(ContactsContract.Profile.CONTENT_URI,
                        ContactsContract.Contacts.Data.CONTENT_DIRECTORY), ProfileQuery.PROJECTION,

                // Select only email addresses.
                ContactsContract.Contacts.Data.MIMETYPE +
                        " = ?", new String[]{ContactsContract.CommonDataKinds.Email
                .CONTENT_ITEM_TYPE},

                // Show primary email addresses first. Note that there won't be
                // a primary email address if the user hasn't specified one.
                ContactsContract.Contacts.Data.IS_PRIMARY + " DESC");
    }

    @Override
    public void onLoadFinished(Loader<Cursor> cursorLoader, Cursor cursor) {
        List<String> emails = new ArrayList<>();
        cursor.moveToFirst();
        while (!cursor.isAfterLast()) {
            emails.add(cursor.getString(ProfileQuery.ADDRESS));
            cursor.moveToNext();
        }

        addEmailsToAutoComplete(emails);
    }

    @Override
    public void onLoaderReset(Loader<Cursor> cursorLoader) {

    }

    private void addEmailsToAutoComplete(List<String> emailAddressCollection) {
        //Create adapter to tell the AutoCompleteTextView what to show in its dropdown list.
        ArrayAdapter<String> adapter =
                new ArrayAdapter<>(RigisterActivity.this,
                        android.R.layout.simple_dropdown_item_1line, emailAddressCollection);

        mEmailView.setAdapter(adapter);
    }


    private interface ProfileQuery {
        String[] PROJECTION = {
                ContactsContract.CommonDataKinds.Email.ADDRESS,
                ContactsContract.CommonDataKinds.Email.IS_PRIMARY,
        };

        int ADDRESS = 0;
        int IS_PRIMARY = 1;
    }

    /**
     * Represents an asynchronous login/registration task used to authenticate
     * the user.
     */
    public class UserLoginTask extends AsyncTask<Void, Void, Boolean> {

        private final String mEmail;
        private final String mPassword;
        private final String mPassword2;
        private final String mYqm;
        private String msg = "";

        UserLoginTask(String email, String password, String password2, String yqm) {
            mEmail = email;
            mPassword = password;
            mPassword2 = password2;
            mYqm = yqm;
        }

        @Override
        protected Boolean doInBackground(Void... params) {
            // TODO: attempt authentication against a network service.

            try {
                // Simulate network access.
//                Thread.sleep(2000);
                OkHttpClientManager.Param[]  paramters = new OkHttpClientManager.Param[]{
                        new OkHttpClientManager.Param("mobile", mEmail),
                        new OkHttpClientManager.Param("password", mPassword),
                        new OkHttpClientManager.Param("password2", mPassword2),
                        new OkHttpClientManager.Param("yqm", mYqm)
                };
                try {
                    Response response = OkHttpClientManager.post(HttpUrls.REGISTER_PHONE, paramters);
                    String result = response.body().string();
                    JSONObject jso = new JSONObject(result);
                    if(jso.getInt("code") == 0){
                        SharedUtils.clearData();
                        SharedUtils.putString("token",jso.getJSONObject("data").getString("token"));
                        SharedUtils.putInt("yqm",jso.getJSONObject("data").getInt("yqm"));
                    }else {
                        msg = jso.getString("msg");
                        return  false;
                    }
//                    Log.i("response.result", result);
                    return  true;
                }catch (Exception e){
                    return  false;
                }
            } catch (Exception e) {
                return false;
            }
        }

        @Override
        protected void onPostExecute(final Boolean success) {
            mAuthTask = null;
            showProgress(false);

            if (success) {
                new UserFragment().getUinfo(false);
                finish();
            } else {
                if(msg.isEmpty()){
                    msg = getString(R.string.error_incorrect_register);
                }
                mEmailView.setError(msg);
                mEmailView.requestFocus();
            }
        }

        @Override
        protected void onCancelled() {
            mAuthTask = null;
            showProgress(false);
        }
    }

    public class GetCodeTask extends AsyncTask<Void, Void, Boolean> {

        private final String mMobile;
        private String msg = "";

        GetCodeTask(String mobile) {
            mMobile = mobile;
        }

        @Override
        protected Boolean doInBackground(Void... params) {
            // TODO: attempt authentication against a network service.

            try {
                // Simulate network access.
//                Thread.sleep(2000);
                OkHttpClientManager.Param[]  paramters = new OkHttpClientManager.Param[]{
                        new OkHttpClientManager.Param("mobile", mMobile),
                };
                try {
                    Response response = OkHttpClientManager.post(HttpUrls.GET_YZM, paramters);
                    String result = response.body().string();
                    JSONObject jso = new JSONObject(result);
                    if(jso.getInt("code") == 0){
                        return true;
                    }else {
                        msg = jso.getString("msg");
                        return  false;
                    }
                }catch (Exception e){
                    return  false;
                }
            } catch (Exception e) {
                return false;
            }
        }

        @Override
        protected void onPostExecute(final Boolean success) {
            gCodeTask = null;
            showProgress(false);

            if (success) {
//                finish();
                mCodeView.setText(msg);
            } else {
                if(msg.isEmpty()){
                    msg = getString(R.string.error_incorrect_register);
                }
                mCodeView.setError(msg);
                mCodeView.requestFocus();
            }
        }

        @Override
        protected void onCancelled() {
            gCodeTask = null;
            showProgress(false);
        }
    }
}

